National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Overcast

26°F

-3°C

Humidity 72%
Wind Speed E 6 mph
Barometer 30.25 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Dec 3:35 am MST
Extended Forecast for

3 Miles WSW East Portal CO

High Wind Warning December 9, 03:54am until December 10, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning December 9, 03:54am until December 10, 12:00am

    NOW until 12:00am Wed

    High Wind Warning

  • Overnight

    Low: 12 °F

    Slight Chance
    Snow and
    Blowing Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow. Widespread blowing snow, mainly before 9am. Partly sunny, with a high near 29. Wind chill values as low as -6. Very windy, with a west wind 34 to 40 mph, with gusts as high as 70 mph. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow
    and Blowing
    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 11pm. Widespread blowing snow, mainly between 11pm and 1am. Mostly cloudy, with a low around 23. Very windy, with a west wind 35 to 40 mph decreasing to 24 to 29 mph after midnight. Winds could gust as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Snow Likely
    and Blowing
    Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a high near 25. Windy, with a west wind 25 to 33 mph, with gusts as high as 49 mph. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Areas of blowing snow. Mostly cloudy, with a low around 20. Windy, with a west wind 30 to 34 mph, with gusts as high as 50 mph.

    Low: 20 °F

    Areas Blowing
    Snow and
    Windy

  • Thursday

    Thursday: Patchy blowing snow before 11am. Mostly sunny, with a high near 26. Windy.

    High: 26 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16. Windy.

    Low: 16 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 26. Breezy.

    High: 26 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Overnight
A 20 percent chance of snow. Widespread blowing snow. Partly cloudy, with a low around 12. Wind chill values as low as -10. Very windy, with a west wind around 37 mph, with gusts as high as 60 mph.
Tuesday
A 40 percent chance of snow. Widespread blowing snow, mainly before 9am. Partly sunny, with a high near 29. Wind chill values as low as -6. Very windy, with a west wind 34 to 40 mph, with gusts as high as 70 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow likely, mainly after 11pm. Widespread blowing snow, mainly between 11pm and 1am. Mostly cloudy, with a low around 23. Very windy, with a west wind 35 to 40 mph decreasing to 24 to 29 mph after midnight. Winds could gust as high as 70 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 40 percent chance of snow. Patchy blowing snow. Mostly cloudy, with a high near 25. Windy, with a west wind 25 to 33 mph, with gusts as high as 49 mph. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Areas of blowing snow. Mostly cloudy, with a low around 20. Windy, with a west wind 30 to 34 mph, with gusts as high as 50 mph.
Thursday
Patchy blowing snow before 11am. Mostly sunny, with a high near 26. Windy.
Thursday Night
Mostly clear, with a low around 16. Windy.
Friday
Mostly sunny, with a high near 26. Breezy.
Friday Night
Partly cloudy, with a low around 16. Breezy.
Saturday
Mostly sunny, with a high near 25. Breezy.
Saturday Night
Partly cloudy, with a low around 16. Breezy.
Sunday
Mostly sunny, with a high near 28. Breezy.
Sunday Night
Partly cloudy, with a low around 15. Breezy.
Monday
Mostly sunny, with a high near 24. Blustery.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW East Portal CO
 39.89°N 105.7°W (Elev. 11722 ft)
Last Update:
3:26 am MST Dec 9, 2025
Forecast Valid:
3am MST Dec 9, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation